Heart disease is a category of diseases collectively, such as coronary heart disease, rheumatic heart disease, congenital heart disease, hypertrophic cardiomyopathy, etc. Seafood is rich in vitamins, minerals, trace elements, proteins, etc., patients with heart disease to grasp the indications to consume the appropriate amount of seafood on the health is good. Mainly pay attention to the following aspects: first, coronary heart disease patients if combined with gout and hyperuricemia, try to eat less or even do not eat seafood, hyperuricemia has been proved to be one of the risk factors of coronary heart disease, often eat seafood to help improve uric acid, otherwise it will induce gout, such patients often eat seafood is harmful to the body. Kelp and other seaweed contained in the polysaccharide component helps to prevent the formation of blood clots, prevention of atherosclerosis, patients with coronary heart disease is favorable. Secondly, other patients with heart disease can eat deep-sea fish and shellfish in moderation, due to its rich content of unsaturated fatty acids and trace elements, such as zinc, on the recovery of heart disease has a certain positive effect.